@boxshadow: 0 0 8px rgba(0, 0, 0, 0.2);
@boxshadowHover: 0 2px 8px rgba(24, 144, 255, 0.5);
.hover() {
  border-radius: 5px;
  box-shadow: @boxshadow;
  transition: all 0.4s ease-in-out;
  &:hover {
    box-shadow: @boxshadowHover;
  }
}